Home / 20,632.26-30,948.98-5,049.88

Finding the Fourth Proportional to 20,632.26, 30,948.98 and 5,049.88

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Solution

The fourth proportional to 20,632.26, 30,948.98 and 5,049.88 is: 7,574.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,632.26 : 30,948.98 = 5,049.88 : x
  2. Step 2: Convert to fraction form
    20,632.26/30,948.98 = 5,049.88/x
  3. Step 3: Cross multiply
    20,632.26x = 30,948.98 × 5,049.88
  4. Step 4: Simplify right side
    20,632.26x = 156,288,635.12
  5. Step 5: Solve for x
    x = 156,288,635.12/20,632.26
  6. Step 6: Final answer
    x = 7,574.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.